48 lines
2.2 KiB
C#
48 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Linq;
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using Microsoft.CodeAnalysis;
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using Shouldly;
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using Xunit;
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namespace MapTo.Tests.Extensions
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{
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internal static class ShouldlyExtensions
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{
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internal static void ShouldContainSource(this IEnumerable<SyntaxTree> syntaxTree, string typeName, string expectedSource, string customMessage = null)
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{
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var syntax = syntaxTree
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.Select(s => s.ToString().Trim())
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.SingleOrDefault(s => s.Contains(typeName));
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syntax.ShouldNotBeNullOrWhiteSpace();
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syntax.ShouldBe(expectedSource, customMessage);
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}
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internal static void ShouldBeSuccessful(this IEnumerable<Diagnostic> diagnostics, DiagnosticSeverity severity = DiagnosticSeverity.Warning)
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{
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var actual = diagnostics.Where(d => d.Severity >= severity).Select(c => $"{c.Severity}: {c.Location.GetLineSpan().StartLinePosition} - {c.GetMessage()}").ToArray();
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Assert.False(actual.Any(), $"Failed: {Environment.NewLine}{string.Join(Environment.NewLine, actual.Select(c => $"- {c}"))}");
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}
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internal static void ShouldBeUnsuccessful(this ImmutableArray<Diagnostic> diagnostics, Diagnostic expectedError)
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{
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var actualDiagnostics = diagnostics.SingleOrDefault(d => d.Id == expectedError.Id);
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var compilationDiagnostics = actualDiagnostics == null ? diagnostics : diagnostics.Except(new[] { actualDiagnostics });
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compilationDiagnostics.ShouldBeSuccessful();
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Assert.NotNull(actualDiagnostics);
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Assert.Equal(expectedError.Id, actualDiagnostics.Id);
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Assert.Equal(expectedError.Descriptor.Id, actualDiagnostics.Descriptor.Id);
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Assert.Equal(expectedError.Descriptor.Description, actualDiagnostics.Descriptor.Description);
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Assert.Equal(expectedError.Descriptor.Title, actualDiagnostics.Descriptor.Title);
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if (expectedError.Location != Location.None)
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{
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Assert.Equal(expectedError.Location, actualDiagnostics.Location);
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}
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}
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}
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} |